L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude
🏢 View company profile →2,165Patents
1,243Active
2,165Granted
57Portfolio score
Filing activity: Jan 27, 1972 → Apr 22, 2024 · 205 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8668957B2 | Method of forming dielectric films, new precursors and their use in semiconductor manufacturing | Electricity | 518 | Active |
| US8227032B2 | Method of forming silicon oxide containing films | Electricity | 453 | Active |
| US9691771B2 | Vanadium-containing film forming compositions and vapor deposition of vanadium-containing films | Electricity | 451 | Active |
| US5114683A | Thermal decomposition trap | Performing Operations; Transporting | 384 | Expired |
| US10192734B2 | Short inorganic trisilylamine-based polysilazanes for thin film deposition | Electricity | 321 | Active |
| US6129335A | Flow rate regulation apparatus for an exhaust duct in a cylinder cabinet | Emerging Cross-Sectional Technologies | 157 | Expired |
| US6247315A | Oxidant control in co-generation installations | Emerging Cross-Sectional Technologies | 151 | Expired |
| US4242039A | Pump impeller seals with spiral grooves | Mechanical Engineering; Lighting; Heating | 125 | Expired |
| US6250916A | Heat recovery apparatus and methods of use | Emerging Cross-Sectional Technologies | 107 | Expired |
| US6282901A | Integrated air separation process | Emerging Cross-Sectional Technologies | 103 | Expired |
| US6123542A | Self-cooled oxygen-fuel burner for use in high-temperature and high-particulate furnaces | Emerging Cross-Sectional Technologies | 101 | Expired |
| US5975886A | Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams | Emerging Cross-Sectional Technologies | 96 | Expired |
| US6126438A | Preheated fuel and oxidant combustion burner | Emerging Cross-Sectional Technologies | 94 | Expired |
| US6202442A | Integrated apparatus for generating power and/or oxygen enriched fluid and process for the operation thereof | Mechanical Engineering; Lighting; Heating | 91 | Expired |
| US6071116A | Heat recovery apparatus and methods of use | Emerging Cross-Sectional Technologies | 90 | Expired |
| US6314896A | Method for operating a boiler using oxygen-enriched oxidants | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5166950A | Process and apparatus for melting a furnace charge | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5833447A | Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams | Emerging Cross-Sectional Technologies | 86 | Expired |
| US6171100A | Oxidizing oxygen-fuel burner firing for reducing NOx emissions from high temperature furnaces | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5984667A | Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams | Emerging Cross-Sectional Technologies | 83 | Expired |
| US6276171A | Integrated apparatus for generating power and/or oxygen enriched fluid, process for the operation thereof | Emerging Cross-Sectional Technologies | 82 | Expired |
| US5954498A | Oxidizing oxygen-fuel burner firing for reducing NOx emissions from high temperature furnaces | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6171371A | Process and unit for producing oxygen by adsorption with a short cycle | Emerging Cross-Sectional Technologies | 80 | Expired |
| US6068468A | Refractory block for use in a burner assembly | Emerging Cross-Sectional Technologies | 79 | Expired |
| US6074197A | Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams | Emerging Cross-Sectional Technologies | 79 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.